Magnesium
Magnesium Spray: Benefits, How to Use It & Where to Spray
Twitching muscles. A heart that races for no reason.
That wired, can’t-switch-off feeling that follows you to bed.
I know it intimately, because I lived it for two years.
So I know all too well how frightening that is.
Magnesium became part of how I found my way back.
But where do you spray it? How much? Does it sting?
And does it actually do anything for crying out loud?
Let’s answer all of it — honestly.
IN THIS ARTICLE
- What Is Magnesium Spray?
- What Does Magnesium Spray Actually Do?
- Should You Combine Topical and Oral Magnesium?
- Where to Spray Magnesium (for Sleep and More)
- How Many Sprays and How Often?
- Does Magnesium Spray Sting?
- Magnesium Spray for Pregnancy and Kids
- Your Magnesium Spray Routine
Here’s the short version before we get into it.
KEY TAKEAWAYS
- Magnesium spray is magnesium chloride in water, misted onto the skin and massaged in.
- Its benefits are localised—soothing skin and a calming ritual; some peer-reviewed studies suggest that it may meaningfully raise whole-body magnesium.
- The feet are the most popular spot, especially before bed; legs, stomach and shoulders also work well.
- Start with 4–6 sprays per area, once or twice daily, and gradually increase as needed.
- A mild tingle is normal at first — spray over moisturised skin or start on the feet if it feels sharp.
What Is Magnesium Spray?
Magnesium spray is a water-based solution of magnesium chloride, often called “magnesium oil” because the concentrated mineral feels slightly oily on the skin — though there’s no actual oil in it. You spritz it onto your skin and massage it in.
It’s simple to use, and absorption is fast. Magnesium itself is involved in over 300 processes in the body, from muscle function to mood and sleep — which is why the mineral gets so much attention.
MY STORY — WHY I MAKE THIS
Two years, countless doctors, and one simple test
For two years I wasn’t well, and I saw countless doctors who couldn’t tell me why. My muscles twitched, my heart raced out of nowhere, and I was frightened in my own body.
Eventually I went to a holistic doctor. He wrapped a band around my arm, pulled it tight, and asked me, “Is your arm tingling?” It was. That one simple test pointed straight at something years of appointments had missed: I was profoundly low in magnesium.
He sent me to a specialist, who recommended topical magnesium. So I started spraying it — and I soon began formulating my own. He also recommended I take a practitioner-grade internal magnesium (BioCeuticals Muscle-Eze) to rebuild my levels internally.
The real proof came whenever I lapsed. Each time I stopped, it crept back — once as a terrible, awful pain in my hand. I started again immediately; it settled, and I have never looked back since.
That’s why I do what I do, and why I am sharing what genuinely helped me; I only wish someone had given it to me two years earlier.
— Samantha Miller, Clinical Skin Therapist & Founder of The Naked Chemist
Should You Combine Topical and Oral Magnesium?
Topical magnesium has good support for local effects: soothing the skin, supporting the barrier function, calming inflammation, and easing that tight, tired feeling your muscles can have.
Magnesium permeates the skin via hair follicles rather than across the intact surface; some small feasibility studies have reported improvements in patients using a transdermal magnesium chloride spray. But if your goal is genuinely to correct low magnesium, you must also do this internally through diet or an oral supplement, and get expert advice from a nutritionist or medical doctor.
A well-absorbed form, which we discuss here on magnesium glycinate, is a reliable, evidence-backed way to top up your body’s magnesium levels and support sleep, mood, and muscle function from within. It corrects what modern life, stress and a changed food supply steadily deplete.
Where to Spray Magnesium (for Sleep and More)
The most common question is where to spray magnesium oil for sleep. The feet are my favourite — your soles are thick and hard-wearing, so they tolerate the mineral well, and a slow foot massage before bed is deeply calming. Beyond that, spray wherever feels tense or tired.
- Feet: the go-to before bed, and gentle enough for calming anxious little ones.
- Legs and arms: lovely after a workout or a long day on your feet.
- Back of the neck and shoulders: where tension and stress tend to sit.
- Stomach: a soothing spot for an evening wind-down.
- Avoid broken skin, sensitive areas and straight after shaving.
How Many Sprays and How Often?
Start with 4–6 sprays per area, once or twice a day, and massage in for about 30 seconds. Build up slowly rather than going in heavy on day one.
- How many sprays on feet? 4–6 per foot before bed, gently massaged in.
- How often? Once or twice daily is plenty; up to three times is fine for most people.
- Can you use too much? It’s hard to overdo topically, but if skin feels irritated, use fewer sprays or apply under a magnesium moisturiser.
Does Magnesium Spray Sting?
A mild tingle or itch is common the first few times, especially on freshly shaved, dry or sensitive skin. It’s harmless and usually settles with regular use if it feels sharp, th.
Spray onto skin, start on the thicker skin of the feet, or dilute by applying a plain body lotion first. Always patch test a small area before you spritz more widely. Then follow with a gorgeous body butter.
Magnesium Spray for Pregnancy and Kids
Magnesium spray is often chosen during pregnancy and for children because it’s gentle and fuss-free — but check with your doctor or health professional first, and keep it simple. For little ones, the feet are the safest spot.
- Pregnancy: many people use magnesium spray for cramps and restless sleep in pregnancy; get your midwife or doctor’s okay first, especially in the early weeks.
- Kids: patch test; use a child-appropriate strength; apply to the feet only, ideally before bed.
COMING SOON
The Naked Chemist Magnesium Oil Spray
The spray I first made for myself — now made for you. A concentrated, all-natural mist of 33% pure magnesium chloride, sustainably drawn from the ancient waters of the Tibetan Plateau. It dries fast, never feels greasy, and slips easily into your day: a few spritzes in the morning, a massage into tired legs after exercise, or a slow wind-down on the feet before bed.
A simple ritual to help you:
- Soothe tired, tight-feeling skin and muscles
- Unwind after a long or busy day
- Ease into a calmer, more grounded evening
- Calm inflammation and support tired legs and shoulders after movement
Honestly made and honestly described: a soothing ritual, not a cure. If you’re pregnant or breastfeeding, please check with your GP before use.
To conclude. The Naked Truth
I came to magnesium because for two years I had twitching muscles, a racing heart, tight muscles and sleepless nights. It was frightening, and what I learned is how magnesium runs almost everything in your body: it’s involved in more than 300 enzymatic processes, from how your muscles contract and relax to your nerve function, your heart rhythm, your stress response, and your sleep.
And running low is far more common than people realise. Between depleted soils, processed food, stress, caffeine and busy lives, so many of us don’t get what we need — and a standard blood test barely shows it. That’s why magnesium matters, and why I take it seriously.
Be kind to your body, support it properly, and let a small ritual like this combined with internal supplementation be one gentle part of bringing you back to feeling like yourself again.
FAQ
Where do you spray magnesium oil for sleep?
The feet are the classic spot before bed. Use 4–6 sprays per foot, massage in for about 30 seconds, then pull on socks if you like. The stomach, calves and the back of the neck and shoulders also work well if that’s where your tension tends to sit.
How many sprays of magnesium should I use?
Start low — around 4–6 sprays per area, once or twice a day — and build up gradually as your skin gets used to it.
Why does magnesium spray sting or tingle?
A mild tingle or itch is common the first few times, especially on dry, sensitive or freshly shaved skin. It’s harmless and usually fades with regular use. If it’s sharp, spray onto moisturised skin, start on the thicker skin of the feet, or towel off after massaging it in — and always patch test first.
Can you use magnesium spray every day?
Yes — daily is exactly where most people find the ritual most helpful, whether that’s a morning spritz, a post-workout massage or a wind-down before bed.
Is magnesium spray safe in pregnancy or on kids?
Many people use it in pregnancy for restless legs and sleep, and on children as part of a calming bedtime routine — but check with your doctor or midwife first.
Can magnesium spray help with a racing heart?
A racing heart isn’t something to self-treat. Please see your doctor to find out what’s going on, as I did.
REFERENCES
- Proksch E, et al. Bathing in a magnesium-rich Dead Sea salt solution improves skin barrier function, enhances skin hydration, and reduces inflammation in atopic dry skin. International Journal of Dermatology, 2005. pubmed.ncbi.nlm.nih.gov/15689218
- Gröber U, et al. Myth or Reality—Transdermal Magnesium? Nutrients, 2017. ncbi.nlm.nih.gov/pmc/articles/PMC5579607
- Kass L, et al. Effect of transdermal magnesium cream on serum and urinary magnesium levels in humans: a pilot study. PLOS ONE, 2017. ncbi.nlm.nih.gov/pmc/articles/PMC5389641
- Chandrasekaran NC, et al. Hair follicles facilitate permeation of topically applied magnesium ions through human skin. Magnesium Research, 2016. doi.org/10.1684/mrh.2016.0402
- Engen DJ, et al. Effects of transdermal magnesium chloride on quality of life for patients with fibromyalgia: a feasibility study. Journal of Integrative Medicine, 2015. doi.org/10.1016/S2095-4964(15)60195-9
Disclaimer: This article is for informational purposes only and is not intended to diagnose, treat or cure any medical condition. Always patch test new products and consult your healthcare provider if uncertain.